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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package time_test
import (
"os"
"strings"
"testing"
"testing/quick"
. "time"
)
func init() {
// Force US Pacific time for daylight-savings
// tests below (localtests). Needs to be set
// before the first call into the time library.
os.Setenv("TZ", "America/Los_Angeles")
}
type TimeTest struct {
seconds int64
golden Time
}
var utctests = []TimeTest{
TimeTest{0, Time{1970, 1, 1, 0, 0, 0, Thursday, 0, "UTC"}},
TimeTest{1221681866, Time{2008, 9, 17, 20, 4, 26, Wednesday, 0, "UTC"}},
TimeTest{-1221681866, Time{1931, 4, 16, 3, 55, 34, Thursday, 0, "UTC"}},
TimeTest{-11644473600, Time{1601, 1, 1, 0, 0, 0, Monday, 0, "UTC"}},
TimeTest{599529660, Time{1988, 12, 31, 0, 1, 0, Saturday, 0, "UTC"}},
TimeTest{978220860, Time{2000, 12, 31, 0, 1, 0, Sunday, 0, "UTC"}},
TimeTest{1e18, Time{31688740476, 10, 23, 1, 46, 40, Friday, 0, "UTC"}},
TimeTest{-1e18, Time{-31688736537, 3, 10, 22, 13, 20, Tuesday, 0, "UTC"}},
TimeTest{0x7fffffffffffffff, Time{292277026596, 12, 4, 15, 30, 7, Sunday, 0, "UTC"}},
TimeTest{-0x8000000000000000, Time{-292277022657, 1, 27, 8, 29, 52, Sunday, 0, "UTC"}},
}
var localtests = []TimeTest{
TimeTest{0, Time{1969, 12, 31, 16, 0, 0, Wednesday, -8 * 60 * 60, "PST"}},
TimeTest{1221681866, Time{2008, 9, 17, 13, 4, 26, Wednesday, -7 * 60 * 60, "PDT"}},
}
func same(t, u *Time) bool {
return t.Year == u.Year &&
t.Month == u.Month &&
t.Day == u.Day &&
t.Hour == u.Hour &&
t.Minute == u.Minute &&
t.Second == u.Second &&
t.Weekday == u.Weekday &&
t.ZoneOffset == u.ZoneOffset &&
t.Zone == u.Zone
}
func TestSecondsToUTC(t *testing.T) {
for i := 0; i < len(utctests); i++ {
sec := utctests[i].seconds
golden := &utctests[i].golden
tm := SecondsToUTC(sec)
newsec := tm.Seconds()
if newsec != sec {
t.Errorf("SecondsToUTC(%d).Seconds() = %d", sec, newsec)
}
if !same(tm, golden) {
t.Errorf("SecondsToUTC(%d):", sec)
t.Errorf(" want=%+v", *golden)
t.Errorf(" have=%+v", *tm)
}
}
}
func TestSecondsToLocalTime(t *testing.T) {
for i := 0; i < len(localtests); i++ {
sec := localtests[i].seconds
golden := &localtests[i].golden
tm := SecondsToLocalTime(sec)
newsec := tm.Seconds()
if newsec != sec {
t.Errorf("SecondsToLocalTime(%d).Seconds() = %d", sec, newsec)
}
if !same(tm, golden) {
t.Errorf("SecondsToLocalTime(%d):", sec)
t.Errorf(" want=%+v", *golden)
t.Errorf(" have=%+v", *tm)
}
}
}
func TestSecondsToUTCAndBack(t *testing.T) {
f := func(sec int64) bool { return SecondsToUTC(sec).Seconds() == sec }
f32 := func(sec int32) bool { return f(int64(sec)) }
cfg := &quick.Config{MaxCount: 10000}
// Try a reasonable date first, then the huge ones.
if err := quick.Check(f32, cfg); err != nil {
t.Fatal(err)
}
if err := quick.Check(f, cfg); err != nil {
t.Fatal(err)
}
}
type TimeFormatTest struct {
time Time
formattedValue string
}
var iso8601Formats = []TimeFormatTest{
TimeFormatTest{Time{2008, 9, 17, 20, 4, 26, Wednesday, 0, "UTC"}, "2008-09-17T20:04:26Z"},
TimeFormatTest{Time{1994, 9, 17, 20, 4, 26, Wednesday, -18000, "EST"}, "1994-09-17T20:04:26-0500"},
TimeFormatTest{Time{2000, 12, 26, 1, 15, 6, Wednesday, 15600, "OTO"}, "2000-12-26T01:15:06+0420"},
}
func TestISO8601Conversion(t *testing.T) {
for _, f := range iso8601Formats {
if f.time.Format(ISO8601) != f.formattedValue {
t.Error("ISO8601:")
t.Errorf(" want=%+v", f.formattedValue)
t.Errorf(" have=%+v", f.time.Format(ISO8601))
}
}
}
type FormatTest struct {
name string
format string
result string
}
var formatTests = []FormatTest{
FormatTest{"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010"},
FormatTest{"UnixDate", UnixDate, "Thu Feb 4 21:00:57 PST 2010"},
FormatTest{"RFC850", RFC850, "Thursday, 04-Feb-10 21:00:57 PST"},
FormatTest{"RFC1123", RFC1123, "Thu, 04 Feb 2010 21:00:57 PST"},
FormatTest{"ISO8601", ISO8601, "2010-02-04T21:00:57-0800"},
FormatTest{"Kitchen", Kitchen, "9:00PM"},
FormatTest{"am/pm", "3pm", "9pm"},
FormatTest{"AM/PM", "3PM", "9PM"},
}
func TestFormat(t *testing.T) {
// The numeric time represents Thu Feb 4 21:00:57 PST 2010
time := SecondsToLocalTime(1265346057)
for _, test := range formatTests {
result := time.Format(test.format)
if result != test.result {
t.Errorf("%s expected %q got %q", test.name, test.result, result)
}
}
}
type ParseTest struct {
name string
format string
value string
hasTZ bool // contains a time zone
hasWD bool // contains a weekday
}
var parseTests = []ParseTest{
ParseTest{"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true},
ParseTest{"UnixDate", UnixDate, "Thu Feb 4 21:00:57 PST 2010", true, true},
ParseTest{"RFC850", RFC850, "Thursday, 04-Feb-10 21:00:57 PST", true, true},
ParseTest{"RFC1123", RFC1123, "Thu, 04 Feb 2010 21:00:57 PST", true, true},
ParseTest{"ISO8601", ISO8601, "2010-02-04T21:00:57-0800", true, false},
// Amount of white space should not matter.
ParseTest{"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true},
ParseTest{"ANSIC", ANSIC, "Thu Feb 4 21:00:57 2010", false, true},
}
func TestParse(t *testing.T) {
for _, test := range parseTests {
time, err := Parse(test.format, test.value)
if err != nil {
t.Errorf("%s error: %v", test.name, err)
} else {
checkTime(time, &test, t)
}
}
}
func checkTime(time *Time, test *ParseTest, t *testing.T) {
// The time should be Thu Feb 4 21:00:57 PST 2010
if time.Year != 2010 {
t.Errorf("%s: bad year: %d not %d\n", test.name, time.Year, 2010)
}
if time.Month != 2 {
t.Errorf("%s: bad month: %d not %d\n", test.name, time.Month, 2)
}
if time.Day != 4 {
t.Errorf("%s: bad day: %d not %d\n", test.name, time.Day, 4)
}
if time.Hour != 21 {
t.Errorf("%s: bad hour: %d not %d\n", test.name, time.Hour, 21)
}
if time.Minute != 0 {
t.Errorf("%s: bad minute: %d not %d\n", test.name, time.Minute, 0)
}
if time.Second != 57 {
t.Errorf("%s: bad second: %d not %d\n", test.name, time.Second, 57)
}
if test.hasTZ && time.ZoneOffset != -28800 {
t.Errorf("%s: bad tz offset: %d not %d\n", test.name, time.ZoneOffset, -28800)
}
if test.hasWD && time.Weekday != 4 {
t.Errorf("%s: bad weekday: %d not %d\n", test.name, time.Weekday, 4)
}
}
func TestFormatAndParse(t *testing.T) {
const fmt = "Mon MST " + ISO8601 // all fields
f := func(sec int64) bool {
t1 := SecondsToLocalTime(sec)
t2, err := Parse(fmt, t1.Format(fmt))
if err != nil {
t.Errorf("error: %s", err)
return false
}
if !same(t1, t2) {
t.Errorf("different: %q %q", t1, t2)
return false
}
return true
}
f32 := func(sec int32) bool { return f(int64(sec)) }
cfg := &quick.Config{MaxCount: 10000}
// Try a reasonable date first, then the huge ones.
if err := quick.Check(f32, cfg); err != nil {
t.Fatal(err)
}
if err := quick.Check(f, cfg); err != nil {
t.Fatal(err)
}
}
type ParseErrorTest struct {
format string
value string
expect string // must appear within the error
}
var parseErrorTests = []ParseErrorTest{
ParseErrorTest{ANSIC, "Feb 4 21:00:60 2010", "parse"}, // cannot parse Feb as Mon
ParseErrorTest{ANSIC, "Thu Feb 4 21:00:57 @2010", "format"},
ParseErrorTest{ANSIC, "Thu Feb 4 21:00:60 2010", "second out of range"},
ParseErrorTest{ANSIC, "Thu Feb 4 21:61:57 2010", "minute out of range"},
ParseErrorTest{ANSIC, "Thu Feb 4 24:00:60 2010", "hour out of range"},
}
func TestParseErrors(t *testing.T) {
for _, test := range parseErrorTests {
_, err := Parse(test.format, test.value)
if err == nil {
t.Errorf("expected error for %q %q\n", test.format, test.value)
} else if strings.Index(err.String(), test.expect) < 0 {
t.Errorf("expected error with %q for %q %q; got %s\n", test.expect, test.format, test.value, err)
}
}
}
func BenchmarkSeconds(b *testing.B) {
for i := 0; i < b.N; i++ {
Seconds()
}
}
func BenchmarkNanoseconds(b *testing.B) {
for i := 0; i < b.N; i++ {
Nanoseconds()
}
}
func BenchmarkFormat(b *testing.B) {
time := SecondsToLocalTime(1265346057)
for i := 0; i < b.N; i++ {
time.Format("Mon Jan 2 15:04:05 2006")
}
}
func BenchmarkParse(b *testing.B) {
for i := 0; i < b.N; i++ {
Parse(ANSIC, "Mon Jan 2 15:04:05 2006")
}
}
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